Reduction of the time for executing an externally commanded transfer of data in an integrated device
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United States of America Patent
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Jul 28, 2009
Grant Date -
Sep 20, 2007
app pub date -
Mar 16, 2007
filing date -
Mar 16, 2006
priority date (Note) -
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Abstract
Cumulative delay contributions introduced by an input buffer and by the metal line that distributes the buffered external control signal to data transfer circuits for performing a transfer of data to and from an integrated device are reduced by having the external signal distributed unbuffered through a metal line of sufficiently large size. This introduces a negligible intrinsic propagation delay being within the specified maximum admitted input pad capacitance. The delay reduction is also based on locally dedicated input buffers for each data transfer circuit, and for applying thereto a buffered replica of the external signal present on the metal line.
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